678625465

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{2917}}^1$

素因数の和:2986

約数の個数: 48

約数和(自身を含む): 1031991552

約数和(自身を除く): 353366087

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 289, 391, 595, 805, 1445, 1955, 2023, 2737, 2917, 6647, 10115, 13685, 14585, 20419, 33235, 46529, 49589, 67091, 102095, 232645, 247945, 335455, 347123, 469637, 843013, 1140547, 1735615, 2348185, 4215065, 5702735, 5901091, 7983829, 19389299, 29505455, 39919145, 96946495, 135725093, 678625465]

約数ペア:

[(1, 678625465), (5, 135725093), (7, 96946495), (17, 39919145), (23, 29505455), (35, 19389299), (85, 7983829), (115, 5901091), (119, 5702735), (161, 4215065), (289, 2348185), (391, 1735615), (595, 1140547), (805, 843013), (1445, 469637), (1955, 347123), (2023, 335455), (2737, 247945), (2917, 232645), (6647, 102095), (10115, 67091), (13685, 49589), (14585, 46529), (20419, 33235)]